This is a set of Align 325mm fiber main rotor blades for the Align 450X and 450XL helicopters. Made with a PA45% fiber glass material injection process and reinforced with a 3mm carbon fiber rod these fully symmetrical blades are rigid and efficient offering high performance, and are suitable for all styles of flying. With an attractive eye catching Blue on White two-tone paint scheme they are highly visible, which will help maintain orientation while flying. These blades will also work on other 450 size helicopters using a 3mm mounting shaft and 4.5mm blade width. Package includes two 4.5mm wide, 32x325mm blades and two Balance stickers.